Grishina Olga

From Moscow, Russia

Common russian riichi rating (CRR)

Rating date March 20, 2023 (latest changes March 20, 2023).

12 place (618.33).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.86 + 2.80 * 1) = 14.04985

p1 = (652.17 * 2.80 * 1 + 706.67 * 3.45 * 0.71 + 106.38 * 3.10 * 0.71 + 701.49 * 3.50 * 0.86 + 200 * 4.20 * 1 + 936.94 * 4.05 * 1) / (2.80 * 1 + 3.45 * 0.71 + 3.10 * 0.71 + 3.50 * 0.86 + 4.20 * 1 + 4.05 * 1) = 562.8892627098304

p2 = (936.94 * 4.05 * 1 + 701.49 * 3.50 * 0.86 + 652.17 * 2.80 * 1 + 706.67 * 3.45 * 0.71) / max_coefficients = 673.7801471190085

score = 562.8892627098304 * 0.5 + 673.7801471190085 * 0.5 = 618.3347049144195

Rating changes

Show

all results

Date	Place	Points	Reason
2023-03-20	12	620.61 -> 618.33	Tenpai can't buy happiness: 100% -> 86%
2023-03-06	13 -> 12	620.61
2023-02-25	12 -> 13	620.61
2023-02-19	14 -> 12	615.44 -> 620.61	Agari team tournament: 86% -> 71%
2023-01-28	13 -> 14	625.51 -> 615.44	Saint Petersburg Open 2021: 86% -> 71%
2022-12-19	14 -> 13	617.31 -> 625.51	Agari team tournament: 100% -> 86%
2022-12-18	18 -> 14	576.08 -> 617.31	Meeting in the billiard room: 0% -> 100%
2022-11-28	17 -> 18	582.75 -> 576.08	Saint Petersburg Open 2021: 100% -> 86%
2022-11-06	12 -> 17	613.90 -> 582.75	IX Russian Riichi Championship: 0% -> 100%
2022-11-05	90 -> 12	284.81 -> 613.90

Tournaments

#	Base rank	Date	Place	Power	Coefficient	Type	Tournament
1	652	2022-12-18	9/24	100%	2.80	CRR	Meeting in the billiard room
2	200	2022-11-06	61/76	100%	4.20	RR	IX Russian Riichi Championship
3	937	2022-06-12	8/112	100%	4.05	RR	Moscow Riichi 2022
4	701	2022-03-20	21/68	86%	3.50	RR	Tenpai can't buy happiness
5	106	2021-12-19	43/48	71%	3.10	RR	Agari team tournament
6	707	2021-11-28	23/76	71%	3.45	RR	Saint Petersburg Open 2021
7	323	2020-01-26	22/32	0%	2.70	RR	The last chance: back to 2019
8	477	2019-12-15	59/112	0%	4.05	EMA	VIII Russian Riichi Championship
9	371	2019-07-21	23/36	0%	3.20	RR	Moscow Open Riichi Marathon 2019
10	254	2018-12-16	48/64	0%	3.45	EMA	White Dragon Tournament